Question about Gateway 838GM (RB838GM) PC Desktop

1 Answer

Monitor goes black suddenly

383GM Gateway with Gateway Monitor. nvidia 6600 videocard installed. purchased 2005.

in the last two weeks, monitor goes black, computer is still on. happens with games, word/excel, explorer, while doing 3D diagnostic check. Also sometimes the fan makes a weak groaning sound.

blew off dust for video car fan. turned off hibernate, turned off screen saver, refresh rate is at lowest, turned down/off video card. problem still happened.

updated videocard driver: problem got worse-happened more frequently. turned off all background programs except norton.

now, occasionally happens and cannot run too many things at once. excel will open and can do a few things but will go black eventually.

help.

Posted by on

  • chavling Aug 03, 2008

    it is 300W. Perhaps I need to upgrade. How do I test if the powersupply is sick.



    Do you think that it is worth testing the card by removing the nvidia card at this point? I mean, the monitor is still attached to the nvida port even though I have turned it off in preferences.



    How do I do this correctly? After turning off the card, it tried plugging the monitor into the 'original' port and got nothing on the monitor after start up.

  • Mark Kessler May 11, 2010

    How many watts is your power supply? You should have at least a 450 watt power supply to support your nvidia video card. If your power supply is at least 450 watts, then try replacing it with a new one to see if the power supply is going bad.

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Nvdia 6600 requires a minimum of 450 Watts of power to ensure that everything works properly. So if you want to continue using your nvdia card, an upgrade will be necessary.

If you want to test to see if it is the nvidia card, you need to remove the card physically from the system, then boot with the onboard video. This action will eliminate any conflicts between the two video cards. Before doing this you may need to go into device manager and make sure the onboard video card is not disabled.

Posted on Aug 03, 2008

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